SECTION 7
DESCRIPTION
SOCATA
MODEL TB 20
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Information in this document is subject to change without notice.
© 1988, 1991, 1992, 1994 to 1996, 1997, 2000 -
socata
- All rights reserved
June 30, 1988
Revision 5
7.43
VOLTMETER
A voltmeter is incorporated to the engine control instruments module, located
on the upper part of the console, to monitor electric generation system
efficiency.
With the alternator operating, the indication must stabilize in the green sector.
With the alternator off, indication may go down to the yellow sector.
If indication is within lower red sector, remove and charge the battery.
If indication is within the upper red sector with the alternator operating, the
regulator has to be adjusted.
Figure 7.17 – VOLTMETER MARKING
31
28
26
24
22
20
RED
ÉÉ
ÉÉ
ÉÉ
GREEN
YELLOW
RED
ÉÉ
ÉÉ
YELLOW
20 – 31 V
AMMETER (if installed – standard equipment for ”BRAZIL”)
The ammeter indicates current flow, in amperes, from the alternator to the
battery, or from the battery to the electrical system. With the engine operating
and master switch ”ON”, the ammeter indicates the rate of charge being
applied to the battery.
